1) Where Van Gog lived most of his life?
2) Who attacked Van Gog during his next attack of madness?
3) In what year did Van Gog died?
4) How many in our time are paintings by Van Gog?
5) How Van Gog liked to work?
6) What can give a description of his paintings?
насчет правильности написания инициалов я не уверена.